Why no 40mm pancake (or similar)?

Started Feb 9, 2018 | Questions thread
timo Veteran Member • Posts: 5,425
Re: Why no 40mm pancake (or similar)?

enossified wrote:

Pentax has a 70/2.4 pancake for APS format (105mm equiv). It's the only pancake I know with a longer than normal focal length.

Most pancakes use the classic 4-element Zeiss Tessar design, so are limited to about f2.8. The Pentax has 6 elements which is pretty amazing...and despite the appearance it is AF. It's also $500!!!!

It's also a very good lens.

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Tim
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